PyCoder’s Weekly | Issue #726

#726 – MARCH 17, 2026 View in Browser » The Story of Python’s Lazy Imports This article is about why lazy imports took 3 years and 2 attempts to be added to the language. From PEP 690’s rejection to PEP 810’s unanimous acceptance. TECHLIFE Pydantic AI: Build Type-Safe LLM Agents in Python Learn how to use Pydantic AI to build type-safe LLM agents in Python with structured outputs, function calling, and dependency injection patterns. REAL PYTHON Agents as API Services, Not Prompt Chains. Clone a working 100-agent Python system: Autonomous Engineering Team, Deep Security Auditor, or Adversarial Code Reviewer. Agents run as API services, discover each other at runtime. No DAGs, no glue code. Any model. Apache 2.0. Clone a Recipe → AGENTFIELD.AI sponsor When Are Classes Used in Python? While you don’t often need to make your own classes in Python, they can sometimes make your code reusable and easier to read. TREY HUNNER Learn the Agentic Coding Workflow That Actual